Discussion of Question with ID = 032 under Alligations-and-Mixtures

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Question

In what ratio should water and wine be mixed so that after selling the mixture at cost price a profit of 20% is made?

A

${1/5}$.

B

$1{1/2}$.

C

$1{4/7}$.

D

$2{2/7}$.

Soln.
Ans: a

The water will be sold at the price of wine. So the profit will be earned by selling water as wine. Profit% = $\text"Profit"/\text"Cost"$ × 100. If profit percent is 20%, then 1 part of pure water is sold at the cost of 5 parts of wine. So the required mixing ratio should be 1 : 5.

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